Keywords are very important for optimizing your website. If your pages are properly optimized, they can bring you much more targeted visitors from search engine result pages.

There are several ways to find keywords for your pages. One of the best and most popular is to use free keyword research tools.

Today i’m going to talk about online tools (free tools, browser extensions and free versions of paid services) and desktop software (free and paid with free trial period).

Keyword research tools cannot fetch real-time data about keywords for every search, so they cache information.

Here is my list of free keyword research tools that will help you to find appropriate words and phrases for your website.

Free online keyword research tools

1. Google AdWords Keyword Tool

Probably one of the best free keyword research tools for SEO available online is Google’s own keyword tool. Just enter one keyword or phrase per line to see related keywords. You can apply different filters like broad, exact or phrase match types. You can also select different languages and countries to search for keyword phrases.

Google AdWords Keyword Tool also has a feature to show keyword ideas and statistics for desktop and laptop devices and different types of mobile devices (WAP, mobile devices with full internet browsers).

In keyword ideas tab you will see columns like Keyword, Competition, Global Monthly Searches, Global Local Searches, Ad Share, Google Search Network, Search Share, Approximate CPC (cost-per-click bid), Local Search Trends graph and Extracted From Webpage. I suggest you to enable all available columns by checking on Columns button on the right hand side:

After you finish you can download search results in CSV format. I highly recommend to use Google Keyword Tool because it’s free tool from Google and it has all features that are needed for keyword research.

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